Le Lamentin Weather in September
During September, Le Lamentin experiences high daytime temperatures of 30°C (86°F) and cooler nights around 26°C (79°F). Expect quite a bit of rainfall. Around 152 mm (6 in) is typical.
Rainfall in Le Lamentin in September
Based on our climate data of the past 30 years, about 27 days of rain are anticipated, with 152 mm (6 in) on average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Le Lamentin in September
September in Le Lamentin brings high temperatures, with highs of 30°C (86°F) and nights around 26°C (79°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 26°C (79°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Le Lamentin in September
Expect a lot of sunshine this month, with about 219 hours of sun. These sunny conditions add to the overall experience.
Wind Speed in Le Lamentin in September
September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.
Average water temperature in September
At 29°C (84°F), the water feels bath-warm. Fine for swimming, but those looking for a cooling swim may be a bit disappointed.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Le Lamentin. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Martinique, check out our Le Lamentin's climate page.
Le Lamentin Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Water Temperature
29°C (84°F) *
Chance of Rain
91%
Precipitation
152 mm (6 in)
Rainy days
27 days
Humidity
85% *
Windspeed
4 m/s (8 knots) *
Sunshine
219 hours *
Percentage Sunshine
*
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Le Lamentin typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Historical weather for Le Lamentin in September
Browse day-by-day weather records for Le Lamentin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Le Lamentin historical weather extremes in September
According to our 26 years of weather records for Le Lamentin, the following extremes were recorded between 1999 and 2025.
- Le Lamentin recorded its highest September temperature of 36°C (97°F) on September 27, 2025.
- On September 18, 2008, Le Lamentin saw its coldest September day with temperatures maxing out at 26°C (79°F).
- The coldest night in September in Le Lamentin was on September 20, 2021, with a minimum of 21°C (70°F).
Best Places in Martinique in September
Find out more about the weather in Martinique and which places have the best travel conditions in this month. See all of Martinique in September →
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What to Wear in Le Lamentin in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! The water temperature sits at about 29°C (84°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Le Lamentin in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Martinique, check out our Le Lamentin's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Le Lamentin climate overview or explore weather in Martinique.
